AMS1117-1.5 datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > Power/power management> Low dropout linear regulator (they)> AMS1117-1.5

AMS1117-1.5: DescriptionOutput type: Fixed Maximum input voltage: 18V Output current: 1A Output voltage (minimum/fixed): 1.5V; CategoryPower/power management Low dropout linear regulator (they); File Size2MB，8 Pages; ManufacturerUMW(Guangdong Youtai Semiconductor Co., Ltd.); Websitehttp://www.umw-ic.com/; UMW is a leading provider of LDOs, MOSFETs, DC/DC, RS-232, RS-485, ESD/TVS, optocouplers, logic circuits, temperature sensor from mainland China. UTD's solutions enable low-risk development, lower overall system cost, and faster time-to-market for a variety of global applications.

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AMS1117-1.5 Overview

Output type: Fixed Maximum input voltage: 18V Output current: 1A Output voltage (minimum/fixed): 1.5V

AMS1117-1.5 Parametric

Parameter Name	Attribute value
Output type	fixed
Maximum input voltage	18V
Output current	1A
Output configuration	just
Number of voltage regulators	1
Output voltage (maximum)	-
PSRR/ripple suppression	60dB(120Hz)
Output voltage (minimum/fixed value)	1.5V
Pressure drop (maximum)	1.3V @ 1A
Operating power current (maximum)	10mA
Operating temperature	-40℃ ~ 125℃

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UMW

UMW AMS1117

■ 封裝及腳½定義

■ 概述

AMS1117

是一個輸出電流達到

的三端輸

出½壓差線性穩壓器，

1.2V、

有

1.8V、

2.5V、

3.3V、5.0V

及可調節輸出電壓等各種版本，

其電壓降在

時僅為

1.2V。以其優良的性

½和極度的經濟性½，適用於各種電器產

品。

■ 特點

●

輸出電流時壓降僅為

1.2V

限流功½

過熱保護功½

有固定輸出電壓

1.2V、

1.8V、

2.5V、

3.3V、

5.0V

及可調節輸出電壓版本

固定輸出電壓

1.2V

的電壓精度為

固定輸出電壓

1.8V、2.5V、3.3V、5.0V

及可調節輸出電壓的精度為

1.5%

溫度範圍：-40℃ ~ +125℃

SOT-89

■ 典型應用電路

（常用封裝為

SOT-223、TO-252）

■ 應用

●

膝上型電腦、掌上電腦及筆記本電腦

電池充電器

SCSI-Ⅱ主動終端

移動電話

無繩電話

電池供電系統

便攜式設備

開關電源後½穩壓器

Vref=Vout-Vadj=1.25V (典型值)

Vout=Vref*(1+RF2/RF1)+Iadj*RF2

Iadj=55uA (典型值)

www.umw-ic.com

友台半导½有限公司

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